>3a68Q (Q:) observed residues (from ATOM records)
ifepfeevkkeldlvptvpqaslarqkyvdesesavneqinveynvsyvyhamfayfdrd
nvalrglakffkesseeerehaeklmeyqnkrggkvklqsivmplsdfdhadkgdalham
elalslekltnekllnlhsvatkngdvqladfveteylgeqveaikriseyvaqlrrvgk
ghgvwhfdqmllhe